Increasing the charging speed
To increase the charging speed, turn the device or its screen off when you charge the
battery. If the fast charging feature is not activated, launch the Settings app, tap Device
care → Battery → Charging, and then tap the Fast charging switch to activate it.
• While charging, you cannot activate or deactivate this feature.
• You cannot use the built-in fast charging feature when you charge the battery
using a standard battery charger.
• If the device heats up or the ambient air temperature rises, the charging speed may
decrease automatically. This is a normal operating condition to prevent damage to
the device.
SIM or USIM card (nano-SIM card) (WWAN)
Installing the SIM or USIM card
Insert the SIM or USIM card provided by the mobile telephone service provider.
• Use only a nano-SIM card.
• Use caution not to lose or let others use the SIM or USIM card. ECOM is not
responsible for any damages or inconveniences caused by lost or stolen cards.
Some services that require a network connection may not be available depending on
the service provider.
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